Qualitative and quantitative detection of Poria cocos by near infrared reflectance spectroscop Transcriptome Analysis for Developing Kernel and Expression Analysis of Starch and Saccharose Metabolism-related genes in Castanea henryi Uitrasonic Assisted Extraction and Purification and Determination of Schizophyllian Polysaccharose Comparison of component from different species of Inonotus obliquus Hypoglycemic activity and mechanism of polygona-polysaccharose on diabetic rat model